Error code 678 when accessing the internet

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Tried to access the Internet with my computer running Windows XP service pack 2 but I get an error code 678 saying "The remote computer did not respond" or sometimes it comes up error code 769. "The specified destination is not reachable".

I recently upgraded my windows XP from SP 1 to SP 2. I already power cycled my modem and restart my computer a couple of times.
 
How can I fix this?
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Best Answer by techsavvy777
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Answered By 0 points N/A #88770

Error code 678 when accessing the internet

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Well there are 6 reasons why this error may pop up. The network Cable might not be connected. Modem is not enabled. The drivers of the modem are corrupt. Spyware is inside your computer. Winsock might have to be repaired. Finally a third party might be interfering with the connection.
 
There are also 9 steps that can be taken to fix the problem: 
 
  1. Connect the Network Cable.
  2. Network Adapter enabled.
  3. Restart the Modem.
  4. Reinstall the modem and drivers.
  5. Create a New DSL connection.
  6. Fix Winsock.
  7. Uninstall any third party firewall.
  8. Scan and  remove any spyware or viruses.
Answered By 566895 points N/A #88772

Error code 678 when accessing the internet

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Error 679 is caused by miss-communication between connected set-up on computer network connection going to the modem. This when a connected is dialing out to authenticate the username and password provided by your ISP, once authenticated and this should let you connect to the Internet.

When this error 679 or 769 is caused by 3 parties involved. Modem, CAT5 cord and computer network adapter installed.

 

Modem's LED should be on the normal mode

Modem's LED should be on the normal mode, power, DSL, cable, LAN or PC are the good indication that modem is working. You may need to call our ISP to verify the working status of your modem.

CAT5 cord should be intact from modem to computer

CAT5 cord should be intact from modem to computer, light should blinks once cable or cord is plugged in. Unplugged and re-plugged if necessary to ensure the connection is secured.

Network Interface Card should be your last resource to check

 

NIC – Network Interface Card should be your last resource to check, this has to be enabled with good working status. To check this, go to start, Control Panel, System and click on Hardware tab. 
 
Go to Device Manager and look for Network adapters.
 
Expand network adapters and this show the type of network adapters installed.
 
Once everything are all set, try to connect and this should let you pass the authentication process.

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